Does anyone know what kind of algae this is??

[ReefZ1lla84]

have this in my tank and it keeps growing back definitely not a coral. Looks like some type of macro algae any ideas??

 

[Navymedic]

have this in my tank and it keeps growing back definitely not a coral. Looks like some type of macro algae any ideas??

Looks like the same thing I just removed from my tank this morning. Same color. Does it feel leathery?

 

[ReefZ1lla84]

Yea it does it just disappeared again lol think my fish or snail ate it but it will grow back again weird